I have just been running hijackthis…

Attach is the log file for experienced IT specialists to read.

Thanks for reading it and for your advises to remove my trojan-gen virus.

Again, as i connect to internet via IE, avast 4.5 detects this virus on .dll files. Aboutablank is my IE start page! and I get some ads…that are really enoying me.

thanks a lot for your help.